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Simulating a syringe behavior using a pneumatic cylinder haptic interface
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DOI：10.1016/j.conengprac.2019.07.005.png)
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En 中文
Mastering medical gestures, such as epidural needle insertion, requires much practice. Haptic interfaces can be efficient training solutions. Nevertheless, they must provide users with an accurate experience for an effective training. This article introduces a control framework that turns a pneumatic cylinder into a haptic interface able to simulate a syringe and more specifically the loss of resistance phenomenon encountered during an epidural needle insertion. To achieve this, the framework switches between two control laws (position and force tracking) according to the system state. Experiments involving two anesthetists confirm the practicality of this system for hands-on training or rehearsal purposes.
Keyword:
Haptic interface
Pneumatic control
Epidural anesthesia
Backstepping control
Switched systems
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